Home / 10,858.19-14,996.58-7,315.25

Finding the Fourth Proportional to 10,858.19, 14,996.58 and 7,315.25

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Solution

The fourth proportional to 10,858.19, 14,996.58 and 7,315.25 is: 10,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.19 : 14,996.58 = 7,315.25 : x
  2. Step 2: Convert to fraction form
    10,858.19/14,996.58 = 7,315.25/x
  3. Step 3: Cross multiply
    10,858.19x = 14,996.58 × 7,315.25
  4. Step 4: Simplify right side
    10,858.19x = 109,703,731.85
  5. Step 5: Solve for x
    x = 109,703,731.85/10,858.19
  6. Step 6: Final answer
    x = 10,103.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.